fix streams language key

Author: anxdpanic

resources/lib/twitch/api/v5/streams.py

@@ -25,7 +25,7 @@ def get_all(game=None, channel_ids=None, community_id=None, language=Language.AL
     q.add_param(keys.GAME, game)
     q.add_param(keys.CHANNEL, channel_ids)
     q.add_param(keys.COMMUNITY_ID, community_id)
-    q.add_param(keys.LANGUAGE, Language.validate(language), Language.ALL)
+    q.add_param(keys.BROADCASTER_LANGUAGE, Language.validate(language), Language.ALL)
     q.add_param(keys.STREAM_TYPE, StreamType.validate(stream_type), StreamType.LIVE)
     platform = Platform.validate(platform)
     if platform == Platform.XBOX_ONE:

resources/lib/twitch/keys.py

@@ -9,6 +9,7 @@
 ALLOW_SPECTRE = 'allow_spectre'
 AVATAR_IMAGE = 'avatar_image'
 BROADCAST_TYPE = 'broadcast_type'
+BROADCASTER_LANGUAGE = 'broadcaster_language'
 BROADCASTS = 'broadcasts'
 CHANNEL = 'channel'
 CHANNEL_FEED_ENABLED = 'channel_feed_enabled'